{"id":"UBUNTU-CVE-2018-6621","details":"The decode_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.","modified":"2025-07-16T08:14:10.199564Z","published":"2018-02-05T04:29:00Z","withdrawn":"2025-07-18T16:44:30Z","upstream":["CVE-2018-6621"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6621"},{"type":"REPORT","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6621"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:3.4.2-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.2-2"}]}],"versions":["7:3.3.4-2","7:3.3.4-2build3","7:3.4-2ubuntu2","7:3.4-4","7:3.4-4build1","7:3.4.1-1","7:3.4.1-1build1","7:3.4.2-1","7:3.4.2-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"7:3.4.2-2","binary_name":"ffmpeg"},{"binary_version":"7:3.4.2-2","binary_name":"ffmpeg-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"ffmpeg-doc"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec-extra"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec-extra57"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec-extra57-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec57"},{"binary_version":"7:3.4.2-2","binary_name":"libavcodec57-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavdevice-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavdevice57"},{"binary_version":"7:3.4.2-2","binary_name":"libavdevice57-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter-extra"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter-extra6"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter-extra6-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter6"},{"binary_version":"7:3.4.2-2","binary_name":"libavfilter6-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavformat-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavformat57"},{"binary_version":"7:3.4.2-2","binary_name":"libavformat57-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavresample-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavresample3"},{"binary_version":"7:3.4.2-2","binary_name":"libavresample3-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libavutil-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libavutil55"},{"binary_version":"7:3.4.2-2","binary_name":"libavutil55-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libpostproc-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libpostproc54"},{"binary_version":"7:3.4.2-2","binary_name":"libpostproc54-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libswresample-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libswresample2"},{"binary_version":"7:3.4.2-2","binary_name":"libswresample2-dbgsym"},{"binary_version":"7:3.4.2-2","binary_name":"libswscale-dev"},{"binary_version":"7:3.4.2-2","binary_name":"libswscale4"},{"binary_version":"7:3.4.2-2","binary_name":"libswscale4-dbgsym"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6621.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}